This function allows the user to extend a line by a specified length from the endpoint of a line.
• Select a line from the display area using mouse cursor.
Click the right button to reject the selection.
• Select one endpoint of the selected line.
Click the right button to reject the selection.
• Enter a real number as the extended length in the Extend Length dialog box as illustrated in Figure 5.1.24.
The extended length can be previewed.
Figure 5.1.24 Extended Length dialog box